Toshiba RAV-SM563UT-E Service Manual page 145

No. Part name
†
IPDU P .C. 1) Perform the works in
board
2) Remove the connectors and the lead wires
which are connected from IPDU P .C. board to
the other parts.
1. Connector
2. Lead wire
Rectifier diode
(Top)
(Bottom)
*(Note 1)
Remove the connectors by releasing lock of the
housing.
3) Remove the control P .C. board assembly from
P .C. board base. (Remove the heat sink and the
inverter control P .C. board assembly as they are
screwed.)
*(Note 2)
Remove the heat sink upward by taking off two
claws of P .C. base and holding the heat sink.
4) Take off two screws which fix the heat sink and
IGBT and also take off support hooks of the P .C.
board (5 positions) to remove IPDU P .C. board.
5) Mount a new IPDU P .C. board.
*(Note 3)
The rectifier diode has polarity, so be careful to
and
caused.
*(Note 4)
When mounting a new board, check that it is
correctly set in the groove of the base holder of P .C.
board base.
Procedure
„
and
CN04 : Connection with cycle P .C. board (3P: White) *(Note 1)
CN05 : Connection with cycle P .C. board (2P: White) *(Note 1)
CN06 : Connection with cycle P .C. board (5P: Red) *(Note 1)
CN13 : Connection with cycle P .C. board (5P: Red) *(Note 1)
CN01 : Connection with power terminal block (Red)
CN02 : Connection with power terminal block (White)
CN03 : Connection with inverter box (Black)
CN09 : Connection with compressor (Red)
CN10 : Connection with compressor (White)
CN11 : Connection with compressor (Black)
+
: Orange lead wire *(Note 2)
–
: Gray lead wire *(Note 2)
~
: Red lead wire
~
: Brown lead wire
– + –
. If and are mistaken, a trouble is
…
.
+
– 145 –
Remarks
Inverter
control
P.C. board
assembly
Inverter
control
P.C. board
assembly
Groove for
P.C. boaed
Inverter box
Heat sink
(Metal sheet)